Hello @EdwinD25 ,
I'd recommend checking the following areas where your org name might appear:
My Settings - check the Organizational Info and other sections in your My Settings, there's a lot of places where the old info might still be the default
Email Editor - check your header and footer to see if the old org name is included in the address or as the From Name
your own email program - your email program may have your old info saved in the address book, meaning that even if we're sending the correct info, it may overwrite it
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